*{
	padding: 0px;
	margin: 0px;
	list-style: none;
}
a{
	text-decoration: none;
	color: #424242;
}
.arrow{
	display: inline-block;
	width: 15px;
    height: 9px;
    background: url(//ossweb-img.qq.com/images/lol/v3/comm-spr.png)no-repeat -367px -46px;
}
.block{
	display: block;
}
.left{
	float: left;
}
.right{
	float: right;
}
